● CurrentICC-ES · all statesLast checked Oct 21, 2026
VYCOR Ice & Water Shield Roof Underlayment
ESR-1677 · CertainTeed
ICC-ES reportESR-1677
IssuedJan 2026
Valid untilJan 2027
Details
- Maker
- CertainTeed
- Category
- Valley / leak barrier
- Issued by
- ICC-ES
- Revised
- May 2026
Products in this report
VYCOR Ice & Water Shield · VYCOR Ice & Water Shield HT · CertaSeam Roof Tape
Official document
Building inspectors in most states accept a current evaluation report as proof the product meets the building code. All evaluation reports →
Public record. Always verify on the official source before you permit.